暗渠[ankyo] subterranean drain
渠魁[kyokai] ringleader
溝渠[koukyo] ditch
出渠[shukkyo] leaving the (repair) dock
入渠[nyuukyo] entering a dock

函渠[kankyo] drain with an oblong cross-section
乾船渠[kansenkyo] dry dock
船渠[senkyo] dock
暗渠排水[ankyohaisui] underdrainage
合流渠[gouryuukyo] combined sewer

魁偉[kaii] brawny
渠魁[kyokai] ringleader
首魁[shukai] forerunner

華魁[oiran] courtesan
花魁道中[oirandouchuu] procession of courtesans
容貌魁偉[youboukaii] (a man) having a commanding face and a powerful physique